s of the Eternal Champion can sometimes be summon
ed outside their own world
. Within the Elric Saga
he is twice so summoned, each time meeting other incarnations of the Eternal Champion, and joining with them to form The Three Who Are One
and The Four Who Are One
to fight some great enemy
too powerful for one Eternal Champion alone.
Interestingly, the same events are related in the stories of Corum, but for him they happen in the opposite order as they do for Elric.